CN207231477U - A kind of quick, low cost transmission line of electricity range unit - Google Patents
A kind of quick, low cost transmission line of electricity range unit Download PDFInfo
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- CN207231477U CN207231477U CN201720848819.2U CN201720848819U CN207231477U CN 207231477 U CN207231477 U CN 207231477U CN 201720848819 U CN201720848819 U CN 201720848819U CN 207231477 U CN207231477 U CN 207231477U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000005611 electricity Effects 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000003321 amplification Effects 0.000 claims abstract description 9
- 238000007667 floating Methods 0.000 claims abstract description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 6
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003706 image smoothing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model discloses a kind of quick, low cost transmission line of electricity range unit and distance measuring method; including the first video camera, the second video camera, image processing circuit and central processing unit; the image processing circuit stated uses floating threshold process circuit, and the floating threshold process circuit includes reverse protection circuit, low-pass filter circuit, signal amplification circuit, peak holding circuit, voltage follower, voltage comparator and the adjustable threshold voltage maker of amplitude.The utility model is made of one or several miniature webcams and single-chip minimum system, consecutive image of the camera from circuit side intake space power transmission line, 25 frame per second, microcontroller is acquired every frame image signal, handles, and can low cost and fast and accurately provide guarantee for unmanned plane ranging.
Description
Technical field
It the utility model is related to electric system power transmission and distribution industry aircraft line walking automatic measurement technique field, more particularly to one
Kind is quick, the transmission line of electricity range unit of low cost.
Background technology
At present, the operation such as maintenance, detection and the repairing of Utilities Electric Co. to transmission line of electricity, substantially still according to section partition
Task, checks the circuit situation of patrolling by manual site.The timely and accurately property that line defct is found, depending on line attendant
What professional ability, sense of responsibility and the supervision of shift management personnel were maked an inspection tour implements, and therefore, the meeting that existing method is not avoided that is because making an inspection tour
The generation of the various accidents of initiation not in place.Meanwhile some electric transmission line erections are reached in deep woods, wetland, alpine region, personnel
Slowly, difficulty, efficiency are low, it is impossible to accomplish that periodical inspection is safeguarded, patrolled under the severe natural conditions such as ice and snow, earthquake, flood
Examine difficulty bigger.The main method for substituting artificial line walking at present is to use unmanned plane inspection operation, including remote control inspection flight and
Automatic obstacle avoiding tracking inspection two kinds of operating types of flight, two kinds of operating types are required for aircraft to keep rational with transmission line of electricity
Distance and relative position, convenient line trace, avoidance technology etc..So design offer is a kind of by unmanned vehicle carrying,
Can automatic identification transmission line of electricity locus, and then for aircraft provide navigation, tracking, control signal Airborne Tracking sensing
Device, to realize the avoidance of aircraft, from motion tracking patrol flight function, has boundless market prospects.
Utility model content
The purpose of this utility model is to provide a kind of quick, low cost transmission line of electricity range unit, can quickly, weight
Gently, real-time is good and is suitable for realization, and carries nothing in the device being achieved using common microcontroller and simple camerahead, device
It is man-machine to work.
The technical solution adopted in the utility model is：
A kind of quick, low cost transmission line of electricity range unit, including the first video camera, the second video camera, image procossing
Circuit and central processing unit, the output terminal of first, second video camera connect centre by image processing circuit respectively
The input terminal of device is managed, the image processing circuit uses floating threshold process circuit, the floating threshold process circuit bag
Reverse protection circuit, low-pass filter circuit, signal amplification circuit, peak holding circuit, voltage follower, voltage comparator are included
With the adjustable threshold voltage maker of amplitude, the output terminal of the reverse protection circuit passes sequentially through low-pass filter circuit, letter
Number amplifying circuit, peak holding circuit, voltage follower are connected with voltage comparator input terminal, the adjustable threshold voltage of amplitude
The input terminal of maker is connected with 12 volts of regulated power supplies, output terminal respectively with signal amplification circuit, voltage follower and voltage
The voltage incoming end of comparator.
The reverse protection circuit uses reverse protection diode.
First video camera, the model of the second video camera, parameter all same, the two resolution are not higher than 320 × 240 pictures
Element, it is total effectively as number 7.68 ten thousand, 25 frame of output speed/per second.
The utility model is made of one or several miniature webcams and single-chip minimum system, and camera is from line side
The consecutive image of space power transmission line, 25 frame per second are absorbed in face, and microcontroller is acquired every frame image signal, handles.Camera
Every two field picture of intake includes m × n（Columns × line number）A picture element signal, is transmitted after binary conversion treatment with serial communication mode
To microcontroller, microcontroller is identified m × n data according to specially designed method, handles, and handling result is passed through and calibration
After threshold value comparison, conversion, output range information is sent to system for flight control computer, and microcontroller completes the collection of a two field picture, place
After managing, compare, exporting, then next two field picture is repeated the above process, moved in circles until shut down, therebetween camera and monolithic
Machine keeps synchronous working.
Brief description of the drawings
Fig. 1 is single channel course of work schematic block diagram described in the utility model；
Fig. 2 is range measurement principle schematic diagram in the utility model；
Fig. 3 is floating threshold process circuit schematic diagram described in the utility model.
Embodiment
The preferred embodiments of the utility model will be described in detail below；It should be appreciated that preferred embodiments are only
Explanation the utility model, rather than in order to limit the scope of protection of the utility model.As shown in Figure 1,2 and 3, the utility model
Including the first video camera, the second video camera, image processing circuit and central processing unit, first, second video camera it is defeated
Outlet connects the input terminal of central processing unit by image processing circuit respectively, and the image processing circuit uses floating threshold
Process circuit, the floating threshold process circuit include reverse protection circuit, low-pass filter circuit, signal amplification circuit,
Peak holding circuit, voltage follower, voltage comparator and the adjustable threshold voltage maker of amplitude, reverse protection electricity
The output terminal on road passes sequentially through low-pass filter circuit, signal amplification circuit, peak holding circuit, voltage follower compared with voltage
Device input terminal is connected, and the input terminal of the adjustable threshold voltage maker of amplitude is connected with 12 volts of regulated power supplies, output terminal point
Not with the voltage incoming end of signal amplification circuit, voltage follower and voltage comparator.
The pulse-modulated signal that CCD videos export is become the time by the utility model after low-pass filter filters first
Upper continuous analog signal.According to the requirement to image resolution ratio, with sample/hold circuit to continuous vision signal in the time
Enterprising between-line spacing sampling, becomes CCD vision signals the discrete signal of simulation, is converted analog signals into again by A/D converter
Digital signal.That is CCD vision signals → low-pass filtering → sampling/holding → A/D conversions → output.As shown in figure 3, D1 is reverse
Protection diode, R1, C1 are low-pass filter；IC1 is signal amplifier（R2 divider resistances, R3 feedback resistances, R4 output couplings
Resistance）；C2, R5, C3 form peak holding circuit；IC2 is voltage follower, and IC3 is voltage comparator (R10 feedback resistances)；
RW, R6, R7, R8, R9, T1, C4 provide an adjustable threshold voltage of amplitude.It is fully aware of for connection relation described in figure,
Do not repeating herein.The utility model makes the threshold level of voltage comparator change with the amplitude of CCD output vision signals and float
It is dynamic（R2 is exported）, can be defeated by CCD by circuit when so in measurement, background luminance change causes ccd output signal to change
The change for going out vision signal amplitude is associated with threshold level, threshold level is followed change, so as to offset CCD output video letters
The error number caused by background luminance difference.
The distance between unmanned vehicle and power transmission line is monitored in real time during unmanned vehicle line walking, by taking the photograph on device
As head intake transmission line of electricity along image information, via in microcontroller special algorithm processor handle, in real time output away from
From, flight control system of the speed signal to unmanned vehicle, there is provided flight control is the obstacle of unmanned vehicle, tracking, autonomous is flown
Row provides necessary guarantee.
The utility model uses first, second two cameras（Two under normal conditions, as needed can also three, four
Platform）, single-chip minimum system and mounting base composition, software include data acquisition, data processing, parameter calculate and output.
During unmanned vehicle line walking, camera absorbs the transmission of electricity line image in side and front respectively, passes through specially designed processing
Algorithm is acquired data, handles, settling accounts parameter, output, and the flight path for controlling aircraft for flight control system provides foundation.
So common camera of the utility model using low cost, it is up to 320 × 240 pixels to differentiate, total effective picture
Number only 7.68 ten thousand, 25 frame of output speed/per second（Meet the minimum requirements that continuous animation is formed on human eye vision,>24 frames/every
Second）, the effect after image binaryzation is actually absorbed clearly as pixel is low（Corresponding processing time is short, real-time are good）, so
Image smoothing is bad, causes to calculate line footpath its result difference in different row collections, how effectively and rapidly to solve this and ask
Topic, is the technical problem that the utility model solves.
Claims (3)
- A kind of 1. quick, low cost transmission line of electricity range unit, it is characterised in that：Including the first video camera, the second video camera, Image processing circuit and central processing unit, the output terminal of first, second video camera are connected by image processing circuit respectively Connect the input terminal of central processing unit, the image processing circuit uses floating threshold process circuit, at the floating threshold Reason circuit includes reverse protection circuit, low-pass filter circuit, signal amplification circuit, peak holding circuit, voltage follower, electricity Pressure comparator and the adjustable threshold voltage maker of amplitude, the output terminal of the reverse protection circuit pass sequentially through low-pass filtering Circuit, signal amplification circuit, peak holding circuit, voltage follower are connected with voltage comparator input terminal, and amplitude is adjustable The input terminal of threshold voltage maker is connected with 12 volts of regulated power supplies, output terminal respectively with signal amplification circuit, voltage follow The voltage incoming end of device and voltage comparator.
- 2. quick, low cost transmission line of electricity range unit according to claim 1, it is characterised in that：Described is reverse Protection circuit uses reverse protection diode.
- 3. quick, low cost transmission line of electricity range unit according to claim 2, it is characterised in that：Described first Video camera, the model of the second video camera, parameter all same, the two resolution are not higher than 320 × 240 pixels, total effectively as number 7.68 Ten thousand, 25 frame of output speed/per second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720848819.2U CN207231477U (en) | 2017-07-13 | 2017-07-13 | A kind of quick, low cost transmission line of electricity range unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720848819.2U CN207231477U (en) | 2017-07-13 | 2017-07-13 | A kind of quick, low cost transmission line of electricity range unit |
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| Publication Number | Publication Date |
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| CN207231477U true CN207231477U (en) | 2018-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345810A (en) * | 2017-07-13 | 2017-11-14 | 国家电网公司 | A kind of quick, low cost transmission line of electricity range unit and method |
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2017
- 2017-07-13 CN CN201720848819.2U patent/CN207231477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345810A (en) * | 2017-07-13 | 2017-11-14 | 国家电网公司 | A kind of quick, low cost transmission line of electricity range unit and method |
| CN107345810B (en) * | 2017-07-13 | 2024-03-19 | 国家电网公司 | Quick and low-cost power transmission line distance measuring device and method |
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